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They both have very strong male leads. The female leads are different but the persona and air and carriage of the male lead is so similar and endearing.

Cheong Song Yi from YWCFTS is very similar to the female lead in MND and this is noticeable from the get go. It's almost like one inspired the other. However, there is no Do Min Joon personality in the male lead. He'd like to think that he is a Do Min Joon because his character is motivated by an intrinsic desire to be alone like Do Min Joon but for very different reasons.

However, they are alike in that they both have overtly outgoing females come into the lives of solitude seeking males and just throw their world apart and make them realize what they were missing.

It seems like Adolescence Medley was inspired by Reply 1997, it has a similar past-to-present story format. Both have cute love stories and sucker the audience into a false nostalgia. R'97 is more silly and fun, while A.M is artistic and sweet. I promise both are worth watching.

Both dramas have a male lead that is almost perfect and too good to be true and paired with a prickly self centered career oriented female lead.
If you like the good guy who wear their hearts on their sleeves instead of the usual bad guy lead, then both these dramas is for you. Just be prepared to get you heart broken as your heart hurts for the male leads as their love and sacrifices for the female lead gets overlooked time and time again.

Basically they are just the same. Group of boys, who joined a certain sport half heartedly, but ended up being very serious on doing it.
Both are comedy(but waterboys is funnier IMO)
Both have sexy teacher
Both shows the beauty of friendship.
A very inspiring story if you are into sports.

Also a tvn drama. In both dramas the leads know each other and meet after several years. Both dramas have Song Ji Hyo as the female lead.

They're both tvn dramas, and both main leads have exes who get between the main couple.

Both good melodramas that handle revenge, jealousy and hatered.. The stories are very different though, so it might be a good drama to check out next

Both are about school life,ragging,family problem and other school problem of student. difference is in GTO a male lead a teacher try to solve and in 35 sai no Koukousei a female lead a student try to solve

Both about making use of what little time they've left in their life, and they discover love and dreams.

Taiyou no Uta might be a little more on the dream chasing part, it is a beautiful movie about hopes and dreams nonetheless, one of those heart warming drama as you follow the character's growth, and you discover precious things in life with them. Both lead are strong characters who works hard to fight for the time they have, to make something out of their lives.

Oguri Shun and similar detective story. Cracking cases together and finding to catch the killer of a loved one

both are crime-comedy dramas where Tabe Mikako plays an eccentric young detective who solves cases with her team

Japanese short episodic mystery dramas about a girl and a man investigating locked room murders and other cases.

Both are romantic comedies with similar funny but cute style with strong characters. Both also have outstanding acting from Yeon Woo Jin.

Both movies depict the plight of women migrant workers in South Korea. While in Mai Ratima one can see the struggle of the woman from a day to day basis, in Failan one can see the loneliness of the woman through the letters she writes to her Korean husband.